浙江11选5走势图



锰砂滤料除铁锰曝气多久会出现效果?

发布日期:2019-07-17 文章来源:锰砂滤料 阅读数:

   锰砂滤料对于地下水除铁除锰具有良好效果,锰砂滤料除铁除锰一般选用规格为0.5-1.0mm的锰砂滤料,针对锰砂滤料的板结问题,提醒大家一定要做好滤料检测工作,使用高质量锰砂滤料,对于使用时间和板结有良好的效果。

 

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   滤料浙江11选5走势图​可采用石英砂或锰砂等,石英砂的粒径范围为0.5~1.2mm,锰砂为0.6~2.0mm;滤层厚度重力式滤池为700~1000mm,压力式为1000~15000mm。滤池刚使用时,一般不能使出水含铁量达到饮用水水质标准,直到滤料表层覆盖有棕黄色或黄褐色的铁质氧化物时,除铁效果才显现出来。这是由于滤料表面上已形成了氢氧化物膜,由于它的催化氧化作用,在不长的处理时间内即将水的含铁量降至饮用水标准。无论是石英砂或锰砂为滤料,都会有这种过程,所需的时间称为成熟期。根据原水水质,成熟期可以从数周到1月以上,不过石英砂滤料的成熟期稍长,但成熟后的滤料层都会有稳定的除铁效果。